From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6EF13C433E2 for ; Mon, 29 Jun 2020 15:19:36 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 307FE2467F for ; Mon, 29 Jun 2020 15:19:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="QpUXhFd9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 307FE2467F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id AFEBA6B000D; Mon, 29 Jun 2020 11:19:35 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 9C6D46B0023; Mon, 29 Jun 2020 11:19:35 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 8411C6B0024; Mon, 29 Jun 2020 11:19:35 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0103.hostedemail.com [216.40.44.103]) by kanga.kvack.org (Postfix) with ESMTP id 61E346B000D for ; Mon, 29 Jun 2020 11:19:35 -0400 (EDT) Received: from smtpin14.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 238FC180AD817 for ; Mon, 29 Jun 2020 15:19:35 +0000 (UTC) X-FDA: 76982608710.14.ball00_1408da326e70 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin14.hostedemail.com (Postfix) with ESMTP id EFE0118229837 for ; Mon, 29 Jun 2020 15:19:34 +0000 (UTC) X-HE-Tag: ball00_1408da326e70 X-Filterd-Recvd-Size: 2959 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf30.hostedemail.com (Postfix) with ESMTP for ; Mon, 29 Jun 2020 15:19:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=ww4m+cAsod8/uXAsAeQ3ybemqWquMaZsTp73Nk0m+Hg=; b=QpUXhFd9sochPZAdwF9enzx/CW VyQCJB0aCc2SI0KkeWJniVKgkkydoBm0gbgKAhR2hydSMyRlMzfcaxYvYAIjjOAqF2d25S2oozCfj wSKVg4QtVtDoT5ZCkZYw5mmN4OF8u+FCCwEmOdcLDX2hNzIslCqz3aLMVFGO5neuMEiiH898YYsMQ sLegBSh6ICGO1To6lGZ4aH12+fUtPt4u9NXIwmoPYmcepJiINuSCYYuO6hn/zTLPYUFzgyuoEkwvl Q+2kqymBkfXVCQ+AtI26k2KLE1nIKo1diR5JbG9yb6PsXLZ4NCm4pBtULHaszX791p8SClG96HiIe GtYkL7Mw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jpvZ6-00044X-JP; Mon, 29 Jun 2020 15:19:24 +0000 From: "Matthew Wilcox (Oracle)" To: linux-mm@kvack.org, Andrew Morton Cc: "Matthew Wilcox (Oracle)" , Vlastimil Babka , John Hubbard Subject: [PATCH 2/3] mm: Print the inode number in dump_page Date: Mon, 29 Jun 2020 16:19:17 +0100 Message-Id: <20200629151918.15537-3-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20200629151918.15537-1-willy@infradead.org> References: <20200629151918.15537-1-willy@infradead.org> MIME-Version: 1.0 X-Rspamd-Queue-Id: EFE0118229837 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The inode number helps correlate this page with debug messages elsewhere in the kernel. Signed-off-by: Matthew Wilcox (Oracle) --- mm/debug.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/mm/debug.c b/mm/debug.c index 44d843b3b07c..5c58d4509dc9 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -134,14 +134,16 @@ void __dump_page(struct page *page, const char *rea= son) } =20 if (copy_from_kernel_nofault(&dentry_first, - &host->i_dentry.first, sizeof(struct hlist_node *))) { + &host->i_dentry.first, + sizeof(struct hlist_node *))) { pr_warn("mapping->a_ops:%ps with invalid mapping->host inode address = %px\n", a_ops, host); goto out_mapping; } =20 if (!dentry_first) { - pr_warn("mapping->a_ops:%ps\n", a_ops); + pr_warn("mapping->a_ops:%ps ino %lx\n", a_ops, + host->i_ino); goto out_mapping; } =20 @@ -156,8 +158,8 @@ void __dump_page(struct page *page, const char *reaso= n) * crash, but it's unlikely that we reach here with a * corrupted struct page */ - pr_warn("mapping->aops:%ps dentry name:\"%pd\"\n", - a_ops, &dentry); + pr_warn("mapping->aops:%ps ino %lx dentry name:\"%pd\"\n", + a_ops, host->i_ino, &dentry); } } out_mapping: --=20 2.27.0